83978721

83,978,721 is an odd composite number composed of three prime numbers multiplied together.

What does the number 83978721 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

83978721 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 83978721:

3³ × 31 × 100333

(3 × 3 × 3 × 31 × 100333)

See below for interesting mathematical facts about the number 83978721 from the Numbermatics database.

Names of 83978721

Cardinal: 83978721 can be written as Eighty-three million, nine hundred seventy-eight thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 8.3978721 × 10⁷

Factors of 83978721

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 100367

Divisors of 83978721

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 27 31 93 279 837 100333 300999 902997 2708991 3110323 9330969 27992907 83978721
Sum of all divisors σ(n): 128427520
Sum of proper divisors (its aliquot sum) s(n): 44448799
83978721 is a deficient number, because the sum of its proper divisors (44448799) is less than itself. Its deficiency is 39529922

Bases of 83978721

Binary: 101000000010110100111100001₂
Hexadecimal: 0x50169E1
Base-36: 1DZYE9

Squares and roots of 83978721

83978721 squared (83978721²) is 7052425580795841
83978721 cubed (83978721³) is 592253680222916889299361
The square root of 83978721 is 9163.9904517629
The cube root of 83978721 is 437.9149299975

Scales and comparisons

How big is 83978721?

83,978,721 seconds is equal to 2 years, 34 weeks, 5 days, 23 hours, 25 minutes, 21 seconds.
To count from 1 to 83,978,721 would take you about four years!

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 83978721 cubic inches would be around 36.5 feet tall.

Recreational maths with 83978721

83978721 backwards is 12787938
The number of decimal digits it has is: 8
The sum of 83978721's digits is 45
More coming soon!

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The information we have on file for 83978721 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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